_spf.mijninternetoplossing.nl has no MX records.
Question and response
Question
dig _spf.mijninternetoplossing.nl. MX
Answer
The response has no answer records.
Authority
mijninternetoplossing.nl. 300 SOA ns1.mijndnsserver.nl. hostmaster.mijninternetoplossing.nl. 2025120503 28800 7200 2419200 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0